you should use jboss-portletbridge to develop SEAM portlets. http://www.jboss.org/portletbridge/ View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4167490#4167490 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4167490